# Efference

> Cameras and scheduled uplink for off-device inference and training.

Efference builds Mono for the wrist, Stereo for the head, and Node for the multi-path uplink. These products support humans and robots, distributed data collection, and deployments using shared compute.

The links below provide public site content in Markdown. Product pages are the source of current specifications; contact Efference for pricing and availability. Stereo is labeled December 2026. No unlisted price, certification, benchmark, or release date should be inferred.

## Products and company

- [Efference](https://efference.ai/index.md): Cameras and scheduled uplink for off-device inference and training. Explore Mono, Stereo, and Node for human and robotic data collection and deployments.
- [Mono](https://efference.ai/m1/index.md): Mono is a 42 g camera designed for the wrist, for humans and robots. Explore standalone data collection, on-robot integration, imaging, and technical specifications.
- [Stereo](https://efference.ai/h1/index.md): Stereo is designed for the head, for humans and robots, with onboard localization and depth. Explore features, integration, and full technical specifications.
- [Node](https://efference.ai/n1/index.md): Node combines Wi-Fi 7 networking with 5G connectivity, connecting Mono and Stereo observation streams to shared compute for uploads and deployments.
- [Blog](https://efference.ai/blog/index.md): Read A brain too big to carry on SemiAnalysis: robot models, silicon efficiency, deployment costs, and the network wall.
- [Careers](https://efference.ai/careers/index.md): Explore open positions at Efference across perception, hardware, firmware, wireless, software, robotics, and growth and product.
- [Contact and location](https://efference.ai/contact/index.md): Contact Efference about Mono, Stereo, Node, training, or deployments. Find our team in North Beach, San Francisco, and get in touch.
- [Terms and conditions](https://efference.ai/terms/index.md): Terms for the Efference website, product orders, software, integration, and related services.

## Technical documentation

- [Developer documentation](https://docs.efference.ai): Guides, APIs, and integration.
- [All site text](https://efference.ai/llms-full.txt): Product specifications, company pages, and open roles.